drivers/net/ethernet/qlogic/qed/qed_init_fw

/* [<][>][^][v][top][bottom][index][help] */
This source file includes following definitions.
qed_get_ext_voq
qed_enable_pf_rl
qed_enable_pf_wfq
qed_enable_vport_rl
qed_enable_vport_wfq
qed_cmdq_lines_voq_rt_init
qed_cmdq_lines_rt_init
qed_btb_blocks_rt_init
qed_tx_pq_map_rt_init
qed_other_pq_map_rt_init
qed_pf_wfq_rt_init
qed_pf_rl_rt_init
qed_vp_wfq_rt_init
qed_vport_rl_rt_init
qed_poll_on_qm_cmd_ready
qed_send_qm_cmd
qed_qm_pf_mem_size
qed_qm_common_rt_init
qed_qm_pf_rt_init
qed_init_pf_wfq
qed_init_pf_rl
qed_init_vport_wfq
qed_init_vport_rl
qed_send_qm_stop_cmd
qed_set_vxlan_dest_port
qed_set_vxlan_enable
qed_set_gre_enable
qed_set_geneve_dest_port
qed_set_geneve_enable
qed_set_vxlan_no_l2_enable
qed_gft_disable
qed_gft_config
qed_calc_cdu_validation_byte
qed_calc_session_ctx_validation
qed_calc_task_ctx_validation
qed_memset_session_ctx
qed_memset_task_ctx
qed_enable_context_validation
qed_get_rdma_assert_ram_addr
qed_set_rdma_error_level
   1 /* QLogic qed NIC Driver
   2  * Copyright (c) 2015-2017  QLogic Corporation
   3  *
   4  * This software is available to you under a choice of one of two
   5  * licenses.  You may choose to be licensed under the terms of the GNU
   6  * General Public License (GPL) Version 2, available from the file
   7  * COPYING in the main directory of this source tree, or the
   8  * OpenIB.org BSD license below:
   9  *
  10  *     Redistribution and use in source and binary forms, with or
  11  *     without modification, are permitted provided that the following
  12  *     conditions are met:
  13  *
  14  *      - Redistributions of source code must retain the above
  15  *        copyright notice, this list of conditions and the following
  16  *        disclaimer.
  17  *
  18  *      - Redistributions in binary form must reproduce the above
  19  *        copyright notice, this list of conditions and the following
  20  *        disclaimer in the documentation and /or other materials
  21  *        provided with the distribution.
  22  *
  23  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
  24  * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
  25  * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
  26  * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
  27  * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
  28  * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
  29  * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
  30  * SOFTWARE.
  31  */
  32 
  33 #include <linux/types.h>
  34 #include <linux/crc8.h>
  35 #include <linux/delay.h>
  36 #include <linux/kernel.h>
  37 #include <linux/slab.h>
  38 #include <linux/string.h>
  39 #include "qed_hsi.h"
  40 #include "qed_hw.h"
  41 #include "qed_init_ops.h"
  42 #include "qed_reg_addr.h"
  43 
  44 #define CDU_VALIDATION_DEFAULT_CFG      61
  45 
  46 static u16 con_region_offsets[3][NUM_OF_CONNECTION_TYPES_E4] = {
  47         {400, 336, 352, 304, 304, 384, 416, 352},       /* region 3 offsets */
  48         {528, 496, 416, 448, 448, 512, 544, 480},       /* region 4 offsets */
  49         {608, 544, 496, 512, 576, 592, 624, 560}        /* region 5 offsets */
  50 };
  51 
  52 static u16 task_region_offsets[1][NUM_OF_CONNECTION_TYPES_E4] = {
  53         {240, 240, 112, 0, 0, 0, 0, 96} /* region 1 offsets */
  54 };
  55 
  56 /* General constants */
  57 #define QM_PQ_MEM_4KB(pq_size)  (pq_size ? DIV_ROUND_UP((pq_size + 1) * \
  58                                                         QM_PQ_ELEMENT_SIZE, \
  59                                                         0x1000) : 0)
  60 #define QM_PQ_SIZE_256B(pq_size)        (pq_size ? DIV_ROUND_UP(pq_size, \
  61                                                                 0x100) - 1 : 0)
  62 #define QM_INVALID_PQ_ID                0xffff
  63 
  64 /* Feature enable */
  65 #define QM_BYPASS_EN    1
  66 #define QM_BYTE_CRD_EN  1
  67 
  68 /* Other PQ constants */
  69 #define QM_OTHER_PQS_PER_PF     4
  70 
  71 /* WFQ constants */
  72 
  73 /* Upper bound in MB, 10 * burst size of 1ms in 50Gbps */
  74 #define QM_WFQ_UPPER_BOUND      62500000
  75 
  76 /* Bit  of VOQ in WFQ VP PQ map */
  77 #define QM_WFQ_VP_PQ_VOQ_SHIFT  0
  78 
  79 /* Bit  of PF in WFQ VP PQ map */
  80 #define QM_WFQ_VP_PQ_PF_E4_SHIFT        5
  81 
  82 /* 0x9000 = 4*9*1024 */
  83 #define QM_WFQ_INC_VAL(weight)  ((weight) * 0x9000)
  84 
  85 /* Max WFQ increment value is 0.7 * upper bound */
  86 #define QM_WFQ_MAX_INC_VAL      ((QM_WFQ_UPPER_BOUND * 7) / 10)
  87 
  88 /* RL constants */
  89 
  90 /* Period in us */
  91 #define QM_RL_PERIOD    5
  92 
  93 /* Period in 25MHz cycles */
  94 #define QM_RL_PERIOD_CLK_25M    (25 * QM_RL_PERIOD)
  95 
  96 /* RL increment value - rate is specified in mbps */
  97 #define QM_RL_INC_VAL(rate) ({ \
  98         typeof(rate) __rate = (rate); \
  99         max_t(u32, \
 100               (u32)(((__rate ? __rate : 1000000) * QM_RL_PERIOD * 101) / \
 101                     (8 * 100)), \
 102               1); })
 103 
 104 /* PF RL Upper bound is set to 10 * burst size of 1ms in 50Gbps */
 105 #define QM_PF_RL_UPPER_BOUND    62500000
 106 
 107 /* Max PF RL increment value is 0.7 * upper bound */
 108 #define QM_PF_RL_MAX_INC_VAL    ((QM_PF_RL_UPPER_BOUND * 7) / 10)
 109 
 110 /* Vport RL Upper bound, link speed is in Mpbs */
 111 #define QM_VP_RL_UPPER_BOUND(speed)     ((u32)max_t(u32, \
 112                                                     QM_RL_INC_VAL(speed), \
 113                                                     9700 + 1000))
 114 
 115 /* Max Vport RL increment value is the Vport RL upper bound */
 116 #define QM_VP_RL_MAX_INC_VAL(speed)     QM_VP_RL_UPPER_BOUND(speed)
 117 
 118 /* Vport RL credit threshold in case of QM bypass */
 119 #define QM_VP_RL_BYPASS_THRESH_SPEED    (QM_VP_RL_UPPER_BOUND(10000) - 1)
 120 
 121 /* AFullOprtnstcCrdMask constants */
 122 #define QM_OPPOR_LINE_VOQ_DEF   1
 123 #define QM_OPPOR_FW_STOP_DEF    0
 124 #define QM_OPPOR_PQ_EMPTY_DEF   1
 125 
 126 /* Command Queue constants */
 127 
 128 /* Pure LB CmdQ lines (+spare) */
 129 #define PBF_CMDQ_PURE_LB_LINES  150
 130 
 131 #define PBF_CMDQ_LINES_E5_RSVD_RATIO    8
 132 
 133 #define PBF_CMDQ_LINES_RT_OFFSET(ext_voq) \
 134         (PBF_REG_YCMD_QS_NUM_LINES_VOQ0_RT_OFFSET + \
 135          (ext_voq) * (PBF_REG_YCMD_QS_NUM_LINES_VOQ1_RT_OFFSET - \
 136                 PBF_REG_YCMD_QS_NUM_LINES_VOQ0_RT_OFFSET))
 137 
 138 #define PBF_BTB_GUARANTEED_RT_OFFSET(ext_voq) \
 139         (PBF_REG_BTB_GUARANTEED_VOQ0_RT_OFFSET + \
 140          (ext_voq) * (PBF_REG_BTB_GUARANTEED_VOQ1_RT_OFFSET - \
 141                 PBF_REG_BTB_GUARANTEED_VOQ0_RT_OFFSET))
 142 
 143 #define QM_VOQ_LINE_CRD(pbf_cmd_lines) \
 144         ((((pbf_cmd_lines) - 4) * 2) | QM_LINE_CRD_REG_SIGN_BIT)
 145 
 146 /* BTB: blocks constants (block size = 256B) */
 147 
 148 /* 256B blocks in 9700B packet */
 149 #define BTB_JUMBO_PKT_BLOCKS    38
 150 
 151 /* Headroom per-port */
 152 #define BTB_HEADROOM_BLOCKS     BTB_JUMBO_PKT_BLOCKS
 153 #define BTB_PURE_LB_FACTOR      10
 154 
 155 /* Factored (hence really 0.7) */
 156 #define BTB_PURE_LB_RATIO       7
 157 
 158 /* QM stop command constants */
 159 #define QM_STOP_PQ_MASK_WIDTH           32
 160 #define QM_STOP_CMD_ADDR                2
 161 #define QM_STOP_CMD_STRUCT_SIZE         2
 162 #define QM_STOP_CMD_PAUSE_MASK_OFFSET   0
 163 #define QM_STOP_CMD_PAUSE_MASK_SHIFT    0
 164 #define QM_STOP_CMD_PAUSE_MASK_MASK     -1
 165 #define QM_STOP_CMD_GROUP_ID_OFFSET     1
 166 #define QM_STOP_CMD_GROUP_ID_SHIFT      16
 167 #define QM_STOP_CMD_GROUP_ID_MASK       15
 168 #define QM_STOP_CMD_PQ_TYPE_OFFSET      1
 169 #define QM_STOP_CMD_PQ_TYPE_SHIFT       24
 170 #define QM_STOP_CMD_PQ_TYPE_MASK        1
 171 #define QM_STOP_CMD_MAX_POLL_COUNT      100
 172 #define QM_STOP_CMD_POLL_PERIOD_US      500
 173 
 174 /* QM command macros */
 175 #define QM_CMD_STRUCT_SIZE(cmd) cmd ## _STRUCT_SIZE
 176 #define QM_CMD_SET_FIELD(var, cmd, field, value) \
 177         SET_FIELD(var[cmd ## _ ## field ## _OFFSET], \
 178                   cmd ## _ ## field, \
 179                   value)
 180 
 181 #define QM_INIT_TX_PQ_MAP(p_hwfn, map, chip, pq_id, rl_valid, vp_pq_id, rl_id, \
 182                           ext_voq, wrr) \
 183         do { \
 184                 typeof(map) __map; \
 185                 memset(&__map, 0, sizeof(__map)); \
 186                 SET_FIELD(__map.reg, QM_RF_PQ_MAP_ ## chip ## _PQ_VALID, 1); \
 187                 SET_FIELD(__map.reg, QM_RF_PQ_MAP_ ## chip ## _RL_VALID, \
 188                           rl_valid); \
 189                 SET_FIELD(__map.reg, QM_RF_PQ_MAP_ ## chip ## _VP_PQ_ID, \
 190                           vp_pq_id); \
 191                 SET_FIELD(__map.reg, QM_RF_PQ_MAP_ ## chip ## _RL_ID, rl_id); \
 192                 SET_FIELD(__map.reg, QM_RF_PQ_MAP_ ## chip ## _VOQ, ext_voq); \
 193                 SET_FIELD(__map.reg, \
 194                           QM_RF_PQ_MAP_ ## chip ## _WRR_WEIGHT_GROUP, wrr); \
 195                 STORE_RT_REG(p_hwfn, QM_REG_TXPQMAP_RT_OFFSET + (pq_id), \
 196                              *((u32 *)&__map)); \
 197                 (map) = __map; \
 198         } while (0)
 199 
 200 #define WRITE_PQ_INFO_TO_RAM    1
 201 #define PQ_INFO_ELEMENT(vp, pf, tc, port, rl_valid, rl) \
 202         (((vp) << 0) | ((pf) << 12) | ((tc) << 16) | ((port) << 20) | \
 203         ((rl_valid) << 22) | ((rl) << 24))
 204 #define PQ_INFO_RAM_GRC_ADDRESS(pq_id) \
 205         (XSEM_REG_FAST_MEMORY + SEM_FAST_REG_INT_RAM + 21776 + (pq_id) * 4)
 206 
 207 /******************** INTERNAL IMPLEMENTATION *********************/
 208 
 209 /* Returns the external VOQ number */
 210 static u8 qed_get_ext_voq(struct qed_hwfn *p_hwfn,
 211                           u8 port_id, u8 tc, u8 max_phys_tcs_per_port)
 212 {
 213         if (tc == PURE_LB_TC)
 214                 return NUM_OF_PHYS_TCS * MAX_NUM_PORTS_BB + port_id;
 215         else
 216                 return port_id * max_phys_tcs_per_port + tc;
 217 }
 218 
 219 /* Prepare PF RL enable/disable runtime init values */
 220 static void qed_enable_pf_rl(struct qed_hwfn *p_hwfn, bool pf_rl_en)
 221 {
 222         STORE_RT_REG(p_hwfn, QM_REG_RLPFENABLE_RT_OFFSET, pf_rl_en ? 1 : 0);
 223         if (pf_rl_en) {
 224                 u8 num_ext_voqs = MAX_NUM_VOQS_E4;
 225                 u64 voq_bit_mask = ((u64)1 << num_ext_voqs) - 1;
 226 
 227                 /* Enable RLs for all VOQs */
 228                 STORE_RT_REG(p_hwfn,
 229                              QM_REG_RLPFVOQENABLE_RT_OFFSET,
 230                              (u32)voq_bit_mask);
 231                 if (num_ext_voqs >= 32)
 232                         STORE_RT_REG(p_hwfn, QM_REG_RLPFVOQENABLE_MSB_RT_OFFSET,
 233                                      (u32)(voq_bit_mask >> 32));
 234 
 235                 /* Write RL period */
 236                 STORE_RT_REG(p_hwfn,
 237                              QM_REG_RLPFPERIOD_RT_OFFSET, QM_RL_PERIOD_CLK_25M);
 238                 STORE_RT_REG(p_hwfn,
 239                              QM_REG_RLPFPERIODTIMER_RT_OFFSET,
 240                              QM_RL_PERIOD_CLK_25M);
 241 
 242                 /* Set credit threshold for QM bypass flow */
 243                 if (QM_BYPASS_EN)
 244                         STORE_RT_REG(p_hwfn,
 245                                      QM_REG_AFULLQMBYPTHRPFRL_RT_OFFSET,
 246                                      QM_PF_RL_UPPER_BOUND);
 247         }
 248 }
 249 
 250 /* Prepare PF WFQ enable/disable runtime init values */
 251 static void qed_enable_pf_wfq(struct qed_hwfn *p_hwfn, bool pf_wfq_en)
 252 {
 253         STORE_RT_REG(p_hwfn, QM_REG_WFQPFENABLE_RT_OFFSET, pf_wfq_en ? 1 : 0);
 254 
 255         /* Set credit threshold for QM bypass flow */
 256         if (pf_wfq_en && QM_BYPASS_EN)
 257                 STORE_RT_REG(p_hwfn,
 258                              QM_REG_AFULLQMBYPTHRPFWFQ_RT_OFFSET,
 259                              QM_WFQ_UPPER_BOUND);
 260 }
 261 
 262 /* Prepare VPORT RL enable/disable runtime init values */
 263 static void qed_enable_vport_rl(struct qed_hwfn *p_hwfn, bool vport_rl_en)
 264 {
 265         STORE_RT_REG(p_hwfn, QM_REG_RLGLBLENABLE_RT_OFFSET,
 266                      vport_rl_en ? 1 : 0);
 267         if (vport_rl_en) {
 268                 /* Write RL period (use timer 0 only) */
 269                 STORE_RT_REG(p_hwfn,
 270                              QM_REG_RLGLBLPERIOD_0_RT_OFFSET,
 271                              QM_RL_PERIOD_CLK_25M);
 272                 STORE_RT_REG(p_hwfn,
 273                              QM_REG_RLGLBLPERIODTIMER_0_RT_OFFSET,
 274                              QM_RL_PERIOD_CLK_25M);
 275 
 276                 /* Set credit threshold for QM bypass flow */
 277                 if (QM_BYPASS_EN)
 278                         STORE_RT_REG(p_hwfn,
 279                                      QM_REG_AFULLQMBYPTHRGLBLRL_RT_OFFSET,
 280                                      QM_VP_RL_BYPASS_THRESH_SPEED);
 281         }
 282 }
 283 
 284 /* Prepare VPORT WFQ enable/disable runtime init values */
 285 static void qed_enable_vport_wfq(struct qed_hwfn *p_hwfn, bool vport_wfq_en)
 286 {
 287         STORE_RT_REG(p_hwfn, QM_REG_WFQVPENABLE_RT_OFFSET,
 288                      vport_wfq_en ? 1 : 0);
 289 
 290         /* Set credit threshold for QM bypass flow */
 291         if (vport_wfq_en && QM_BYPASS_EN)
 292                 STORE_RT_REG(p_hwfn,
 293                              QM_REG_AFULLQMBYPTHRVPWFQ_RT_OFFSET,
 294                              QM_WFQ_UPPER_BOUND);
 295 }
 296 
 297 /* Prepare runtime init values to allocate PBF command queue lines for
 298  * the specified VOQ.
 299  */
 300 static void qed_cmdq_lines_voq_rt_init(struct qed_hwfn *p_hwfn,
 301                                        u8 ext_voq, u16 cmdq_lines)
 302 {
 303         u32 qm_line_crd = QM_VOQ_LINE_CRD(cmdq_lines);
 304 
 305         OVERWRITE_RT_REG(p_hwfn, PBF_CMDQ_LINES_RT_OFFSET(ext_voq),
 306                          (u32)cmdq_lines);
 307         STORE_RT_REG(p_hwfn, QM_REG_VOQCRDLINE_RT_OFFSET + ext_voq,
 308                      qm_line_crd);
 309         STORE_RT_REG(p_hwfn, QM_REG_VOQINITCRDLINE_RT_OFFSET + ext_voq,
 310                      qm_line_crd);
 311 }
 312 
 313 /* Prepare runtime init values to allocate PBF command queue lines. */
 314 static void qed_cmdq_lines_rt_init(
 315         struct qed_hwfn *p_hwfn,
 316         u8 max_ports_per_engine,
 317         u8 max_phys_tcs_per_port,
 318         struct init_qm_port_params port_params[MAX_NUM_PORTS])
 319 {
 320         u8 tc, ext_voq, port_id, num_tcs_in_port;
 321         u8 num_ext_voqs = MAX_NUM_VOQS_E4;
 322 
 323         /* Clear PBF lines of all VOQs */
 324         for (ext_voq = 0; ext_voq < num_ext_voqs; ext_voq++)
 325                 STORE_RT_REG(p_hwfn, PBF_CMDQ_LINES_RT_OFFSET(ext_voq), 0);
 326 
 327         for (port_id = 0; port_id < max_ports_per_engine; port_id++) {
 328                 u16 phys_lines, phys_lines_per_tc;
 329 
 330                 if (!port_params[port_id].active)
 331                         continue;
 332 
 333                 /* Find number of command queue lines to divide between the
 334                  * active physical TCs. In E5, 1/8 of the lines are reserved.
 335                  * the lines for pure LB TC are subtracted.
 336                  */
 337                 phys_lines = port_params[port_id].num_pbf_cmd_lines;
 338                 phys_lines -= PBF_CMDQ_PURE_LB_LINES;
 339 
 340                 /* Find #lines per active physical TC */
 341                 num_tcs_in_port = 0;
 342                 for (tc = 0; tc < max_phys_tcs_per_port; tc++)
 343                         if (((port_params[port_id].active_phys_tcs >>
 344                               tc) & 0x1) == 1)
 345                                 num_tcs_in_port++;
 346                 phys_lines_per_tc = phys_lines / num_tcs_in_port;
 347 
 348                 /* Init registers per active TC */
 349                 for (tc = 0; tc < max_phys_tcs_per_port; tc++) {
 350                         ext_voq = qed_get_ext_voq(p_hwfn,
 351                                                   port_id,
 352                                                   tc, max_phys_tcs_per_port);
 353                         if (((port_params[port_id].active_phys_tcs >>
 354                               tc) & 0x1) == 1)
 355                                 qed_cmdq_lines_voq_rt_init(p_hwfn,
 356                                                            ext_voq,
 357                                                            phys_lines_per_tc);
 358                 }
 359 
 360                 /* Init registers for pure LB TC */
 361                 ext_voq = qed_get_ext_voq(p_hwfn,
 362                                           port_id,
 363                                           PURE_LB_TC, max_phys_tcs_per_port);
 364                 qed_cmdq_lines_voq_rt_init(p_hwfn,
 365                                            ext_voq, PBF_CMDQ_PURE_LB_LINES);
 366         }
 367 }
 368 
 369 static void qed_btb_blocks_rt_init(
 370         struct qed_hwfn *p_hwfn,
 371         u8 max_ports_per_engine,
 372         u8 max_phys_tcs_per_port,
 373         struct init_qm_port_params port_params[MAX_NUM_PORTS])
 374 {
 375         u32 usable_blocks, pure_lb_blocks, phys_blocks;
 376         u8 tc, ext_voq, port_id, num_tcs_in_port;
 377 
 378         for (port_id = 0; port_id < max_ports_per_engine; port_id++) {
 379                 if (!port_params[port_id].active)
 380                         continue;
 381 
 382                 /* Subtract headroom blocks */
 383                 usable_blocks = port_params[port_id].num_btb_blocks -
 384                                 BTB_HEADROOM_BLOCKS;
 385 
 386                 /* Find blocks per physical TC. Use factor to avoid floating
 387                  * arithmethic.
 388                  */
 389                 num_tcs_in_port = 0;
 390                 for (tc = 0; tc < NUM_OF_PHYS_TCS; tc++)
 391                         if (((port_params[port_id].active_phys_tcs >>
 392                               tc) & 0x1) == 1)
 393                                 num_tcs_in_port++;
 394 
 395                 pure_lb_blocks = (usable_blocks * BTB_PURE_LB_FACTOR) /
 396                                  (num_tcs_in_port * BTB_PURE_LB_FACTOR +
 397                                   BTB_PURE_LB_RATIO);
 398                 pure_lb_blocks = max_t(u32, BTB_JUMBO_PKT_BLOCKS,
 399                                        pure_lb_blocks / BTB_PURE_LB_FACTOR);
 400                 phys_blocks = (usable_blocks - pure_lb_blocks) /
 401                               num_tcs_in_port;
 402 
 403                 /* Init physical TCs */
 404                 for (tc = 0; tc < NUM_OF_PHYS_TCS; tc++) {
 405                         if (((port_params[port_id].active_phys_tcs >>
 406                               tc) & 0x1) == 1) {
 407                                 ext_voq =
 408                                         qed_get_ext_voq(p_hwfn,
 409                                                         port_id,
 410                                                         tc,
 411                                                         max_phys_tcs_per_port);
 412                                 STORE_RT_REG(p_hwfn,
 413                                              PBF_BTB_GUARANTEED_RT_OFFSET
 414                                              (ext_voq), phys_blocks);
 415                         }
 416                 }
 417 
 418                 /* Init pure LB TC */
 419                 ext_voq = qed_get_ext_voq(p_hwfn,
 420                                           port_id,
 421                                           PURE_LB_TC, max_phys_tcs_per_port);
 422                 STORE_RT_REG(p_hwfn, PBF_BTB_GUARANTEED_RT_OFFSET(ext_voq),
 423                              pure_lb_blocks);
 424         }
 425 }
 426 
 427 /* Prepare Tx PQ mapping runtime init values for the specified PF */
 428 static void qed_tx_pq_map_rt_init(struct qed_hwfn *p_hwfn,
 429                                   struct qed_ptt *p_ptt,
 430                                   struct qed_qm_pf_rt_init_params *p_params,
 431                                   u32 base_mem_addr_4kb)
 432 {
 433         u32 tx_pq_vf_mask[MAX_QM_TX_QUEUES / QM_PF_QUEUE_GROUP_SIZE] = { 0 };
 434         struct init_qm_vport_params *vport_params = p_params->vport_params;
 435         u32 num_tx_pq_vf_masks = MAX_QM_TX_QUEUES / QM_PF_QUEUE_GROUP_SIZE;
 436         u16 num_pqs, first_pq_group, last_pq_group, i, j, pq_id, pq_group;
 437         struct init_qm_pq_params *pq_params = p_params->pq_params;
 438         u32 pq_mem_4kb, vport_pq_mem_4kb, mem_addr_4kb;
 439 
 440         num_pqs = p_params->num_pf_pqs + p_params->num_vf_pqs;
 441 
 442         first_pq_group = p_params->start_pq / QM_PF_QUEUE_GROUP_SIZE;
 443         last_pq_group = (p_params->start_pq + num_pqs - 1) /
 444                         QM_PF_QUEUE_GROUP_SIZE;
 445 
 446         pq_mem_4kb = QM_PQ_MEM_4KB(p_params->num_pf_cids);
 447         vport_pq_mem_4kb = QM_PQ_MEM_4KB(p_params->num_vf_cids);
 448         mem_addr_4kb = base_mem_addr_4kb;
 449 
 450         /* Set mapping from PQ group to PF */
 451         for (pq_group = first_pq_group; pq_group <= last_pq_group; pq_group++)
 452                 STORE_RT_REG(p_hwfn, QM_REG_PQTX2PF_0_RT_OFFSET + pq_group,
 453                              (u32)(p_params->pf_id));
 454 
 455         /* Set PQ sizes */
 456         STORE_RT_REG(p_hwfn, QM_REG_MAXPQSIZE_0_RT_OFFSET,
 457                      QM_PQ_SIZE_256B(p_params->num_pf_cids));
 458         STORE_RT_REG(p_hwfn, QM_REG_MAXPQSIZE_1_RT_OFFSET,
 459                      QM_PQ_SIZE_256B(p_params->num_vf_cids));
 460 
 461         /* Go over all Tx PQs */
 462         for (i = 0, pq_id = p_params->start_pq; i < num_pqs; i++, pq_id++) {
 463                 u8 ext_voq, vport_id_in_pf, tc_id = pq_params[i].tc_id;
 464                 u32 max_qm_global_rls = MAX_QM_GLOBAL_RLS;
 465                 struct qm_rf_pq_map_e4 tx_pq_map;
 466                 bool is_vf_pq, rl_valid;
 467                 u16 *p_first_tx_pq_id;
 468 
 469                 ext_voq = qed_get_ext_voq(p_hwfn,
 470                                           pq_params[i].port_id,
 471                                           tc_id,
 472                                           p_params->max_phys_tcs_per_port);
 473                 is_vf_pq = (i >= p_params->num_pf_pqs);
 474                 rl_valid = pq_params[i].rl_valid > 0;
 475 
 476                 /* Update first Tx PQ of VPORT/TC */
 477                 vport_id_in_pf = pq_params[i].vport_id - p_params->start_vport;
 478                 p_first_tx_pq_id =
 479                     &vport_params[vport_id_in_pf].first_tx_pq_id[tc_id];
 480                 if (*p_first_tx_pq_id == QM_INVALID_PQ_ID) {
 481                         u32 map_val =
 482                                 (ext_voq << QM_WFQ_VP_PQ_VOQ_SHIFT) |
 483                                 (p_params->pf_id << QM_WFQ_VP_PQ_PF_E4_SHIFT);
 484 
 485                         /* Create new VP PQ */
 486                         *p_first_tx_pq_id = pq_id;
 487 
 488                         /* Map VP PQ to VOQ and PF */
 489                         STORE_RT_REG(p_hwfn,
 490                                      QM_REG_WFQVPMAP_RT_OFFSET +
 491                                      *p_first_tx_pq_id,
 492                                      map_val);
 493                 }
 494 
 495                 /* Check RL ID */
 496                 if (rl_valid && pq_params[i].vport_id >= max_qm_global_rls) {
 497                         DP_NOTICE(p_hwfn,
 498                                   "Invalid VPORT ID for rate limiter configuration\n");
 499                         rl_valid = false;
 500                 }
 501 
 502                 /* Prepare PQ map entry */
 503                 QM_INIT_TX_PQ_MAP(p_hwfn,
 504                                   tx_pq_map,
 505                                   E4,
 506                                   pq_id,
 507                                   rl_valid ? 1 : 0,
 508                                   *p_first_tx_pq_id,
 509                                   rl_valid ? pq_params[i].vport_id : 0,
 510                                   ext_voq, pq_params[i].wrr_group);
 511 
 512                 /* Set PQ base address */
 513                 STORE_RT_REG(p_hwfn,
 514                              QM_REG_BASEADDRTXPQ_RT_OFFSET + pq_id,
 515                              mem_addr_4kb);
 516 
 517                 /* Clear PQ pointer table entry (64 bit) */
 518                 if (p_params->is_pf_loading)
 519                         for (j = 0; j < 2; j++)
 520                                 STORE_RT_REG(p_hwfn,
 521                                              QM_REG_PTRTBLTX_RT_OFFSET +
 522                                              (pq_id * 2) + j, 0);
 523 
 524                 /* Write PQ info to RAM */
 525                 if (WRITE_PQ_INFO_TO_RAM != 0) {
 526                         u32 pq_info = 0;
 527 
 528                         pq_info = PQ_INFO_ELEMENT(*p_first_tx_pq_id,
 529                                                   p_params->pf_id,
 530                                                   tc_id,
 531                                                   pq_params[i].port_id,
 532                                                   rl_valid ? 1 : 0,
 533                                                   rl_valid ?
 534                                                   pq_params[i].vport_id : 0);
 535                         qed_wr(p_hwfn, p_ptt, PQ_INFO_RAM_GRC_ADDRESS(pq_id),
 536                                pq_info);
 537                 }
 538 
 539                 /* If VF PQ, add indication to PQ VF mask */
 540                 if (is_vf_pq) {
 541                         tx_pq_vf_mask[pq_id /
 542                                       QM_PF_QUEUE_GROUP_SIZE] |=
 543                             BIT((pq_id % QM_PF_QUEUE_GROUP_SIZE));
 544                         mem_addr_4kb += vport_pq_mem_4kb;
 545                 } else {
 546                         mem_addr_4kb += pq_mem_4kb;
 547                 }
 548         }
 549 
 550         /* Store Tx PQ VF mask to size select register */
 551         for (i = 0; i < num_tx_pq_vf_masks; i++)
 552                 if (tx_pq_vf_mask[i])
 553                         STORE_RT_REG(p_hwfn,
 554                                      QM_REG_MAXPQSIZETXSEL_0_RT_OFFSET + i,
 555                                      tx_pq_vf_mask[i]);
 556 }
 557 
 558 /* Prepare Other PQ mapping runtime init values for the specified PF */
 559 static void qed_other_pq_map_rt_init(struct qed_hwfn *p_hwfn,
 560                                      u8 pf_id,
 561                                      bool is_pf_loading,
 562                                      u32 num_pf_cids,
 563                                      u32 num_tids, u32 base_mem_addr_4kb)
 564 {
 565         u32 pq_size, pq_mem_4kb, mem_addr_4kb;
 566         u16 i, j, pq_id, pq_group;
 567 
 568         /* A single other PQ group is used in each PF, where PQ group i is used
 569          * in PF i.
 570          */
 571         pq_group = pf_id;
 572         pq_size = num_pf_cids + num_tids;
 573         pq_mem_4kb = QM_PQ_MEM_4KB(pq_size);
 574         mem_addr_4kb = base_mem_addr_4kb;
 575 
 576         /* Map PQ group to PF */
 577         STORE_RT_REG(p_hwfn, QM_REG_PQOTHER2PF_0_RT_OFFSET + pq_group,
 578                      (u32)(pf_id));
 579 
 580         /* Set PQ sizes */
 581         STORE_RT_REG(p_hwfn, QM_REG_MAXPQSIZE_2_RT_OFFSET,
 582                      QM_PQ_SIZE_256B(pq_size));
 583 
 584         for (i = 0, pq_id = pf_id * QM_PF_QUEUE_GROUP_SIZE;
 585              i < QM_OTHER_PQS_PER_PF; i++, pq_id++) {
 586                 /* Set PQ base address */
 587                 STORE_RT_REG(p_hwfn,
 588                              QM_REG_BASEADDROTHERPQ_RT_OFFSET + pq_id,
 589                              mem_addr_4kb);
 590 
 591                 /* Clear PQ pointer table entry */
 592                 if (is_pf_loading)
 593                         for (j = 0; j < 2; j++)
 594                                 STORE_RT_REG(p_hwfn,
 595                                              QM_REG_PTRTBLOTHER_RT_OFFSET +
 596                                              (pq_id * 2) + j, 0);
 597 
 598                 mem_addr_4kb += pq_mem_4kb;
 599         }
 600 }
 601 
 602 /* Prepare PF WFQ runtime init values for the specified PF.
 603  * Return -1 on error.
 604  */
 605 static int qed_pf_wfq_rt_init(struct qed_hwfn *p_hwfn,
 606 
 607                               struct qed_qm_pf_rt_init_params *p_params)
 608 {
 609         u16 num_tx_pqs = p_params->num_pf_pqs + p_params->num_vf_pqs;
 610         struct init_qm_pq_params *pq_params = p_params->pq_params;
 611         u32 inc_val, crd_reg_offset;
 612         u8 ext_voq;
 613         u16 i;
 614 
 615         inc_val = QM_WFQ_INC_VAL(p_params->pf_wfq);
 616         if (!inc_val || inc_val > QM_WFQ_MAX_INC_VAL) {
 617                 DP_NOTICE(p_hwfn, "Invalid PF WFQ weight configuration\n");
 618                 return -1;
 619         }
 620 
 621         for (i = 0; i < num_tx_pqs; i++) {
 622                 ext_voq = qed_get_ext_voq(p_hwfn,
 623                                           pq_params[i].port_id,
 624                                           pq_params[i].tc_id,
 625                                           p_params->max_phys_tcs_per_port);
 626                 crd_reg_offset =
 627                         (p_params->pf_id < MAX_NUM_PFS_BB ?
 628                          QM_REG_WFQPFCRD_RT_OFFSET :
 629                          QM_REG_WFQPFCRD_MSB_RT_OFFSET) +
 630                         ext_voq * MAX_NUM_PFS_BB +
 631                         (p_params->pf_id % MAX_NUM_PFS_BB);
 632                 OVERWRITE_RT_REG(p_hwfn,
 633                                  crd_reg_offset, (u32)QM_WFQ_CRD_REG_SIGN_BIT);
 634         }
 635 
 636         STORE_RT_REG(p_hwfn,
 637                      QM_REG_WFQPFUPPERBOUND_RT_OFFSET + p_params->pf_id,
 638                      QM_WFQ_UPPER_BOUND | (u32)QM_WFQ_CRD_REG_SIGN_BIT);
 639         STORE_RT_REG(p_hwfn, QM_REG_WFQPFWEIGHT_RT_OFFSET + p_params->pf_id,
 640                      inc_val);
 641 
 642         return 0;
 643 }
 644 
 645 /* Prepare PF RL runtime init values for the specified PF.
 646  * Return -1 on error.
 647  */
 648 static int qed_pf_rl_rt_init(struct qed_hwfn *p_hwfn, u8 pf_id, u32 pf_rl)
 649 {
 650         u32 inc_val = QM_RL_INC_VAL(pf_rl);
 651 
 652         if (inc_val > QM_PF_RL_MAX_INC_VAL) {
 653                 DP_NOTICE(p_hwfn, "Invalid PF rate limit configuration\n");
 654                 return -1;
 655         }
 656 
 657         STORE_RT_REG(p_hwfn,
 658                      QM_REG_RLPFCRD_RT_OFFSET + pf_id,
 659                      (u32)QM_RL_CRD_REG_SIGN_BIT);
 660         STORE_RT_REG(p_hwfn,
 661                      QM_REG_RLPFUPPERBOUND_RT_OFFSET + pf_id,
 662                      QM_PF_RL_UPPER_BOUND | (u32)QM_RL_CRD_REG_SIGN_BIT);
 663         STORE_RT_REG(p_hwfn, QM_REG_RLPFINCVAL_RT_OFFSET + pf_id, inc_val);
 664 
 665         return 0;
 666 }
 667 
 668 /* Prepare VPORT WFQ runtime init values for the specified VPORTs.
 669  * Return -1 on error.
 670  */
 671 static int qed_vp_wfq_rt_init(struct qed_hwfn *p_hwfn,
 672                               u8 num_vports,
 673                               struct init_qm_vport_params *vport_params)
 674 {
 675         u16 vport_pq_id;
 676         u32 inc_val;
 677         u8 tc, i;
 678 
 679         /* Go over all PF VPORTs */
 680         for (i = 0; i < num_vports; i++) {
 681                 if (!vport_params[i].vport_wfq)
 682                         continue;
 683 
 684                 inc_val = QM_WFQ_INC_VAL(vport_params[i].vport_wfq);
 685                 if (inc_val > QM_WFQ_MAX_INC_VAL) {
 686                         DP_NOTICE(p_hwfn,
 687                                   "Invalid VPORT WFQ weight configuration\n");
 688                         return -1;
 689                 }
 690 
 691                 /* Each VPORT can have several VPORT PQ IDs for various TCs */
 692                 for (tc = 0; tc < NUM_OF_TCS; tc++) {
 693                         vport_pq_id = vport_params[i].first_tx_pq_id[tc];
 694                         if (vport_pq_id != QM_INVALID_PQ_ID) {
 695                                 STORE_RT_REG(p_hwfn,
 696                                              QM_REG_WFQVPCRD_RT_OFFSET +
 697                                              vport_pq_id,
 698                                              (u32)QM_WFQ_CRD_REG_SIGN_BIT);
 699                                 STORE_RT_REG(p_hwfn,
 700                                              QM_REG_WFQVPWEIGHT_RT_OFFSET +
 701                                              vport_pq_id, inc_val);
 702                         }
 703                 }
 704         }
 705 
 706         return 0;
 707 }
 708 
 709 /* Prepare VPORT RL runtime init values for the specified VPORTs.
 710  * Return -1 on error.
 711  */
 712 static int qed_vport_rl_rt_init(struct qed_hwfn *p_hwfn,
 713                                 u8 start_vport,
 714                                 u8 num_vports,
 715                                 u32 link_speed,
 716                                 struct init_qm_vport_params *vport_params)
 717 {
 718         u8 i, vport_id;
 719         u32 inc_val;
 720 
 721         if (start_vport + num_vports >= MAX_QM_GLOBAL_RLS) {
 722                 DP_NOTICE(p_hwfn,
 723                           "Invalid VPORT ID for rate limiter configuration\n");
 724                 return -1;
 725         }
 726 
 727         /* Go over all PF VPORTs */
 728         for (i = 0, vport_id = start_vport; i < num_vports; i++, vport_id++) {
 729                 inc_val = QM_RL_INC_VAL(vport_params[i].vport_rl ?
 730                           vport_params[i].vport_rl :
 731                           link_speed);
 732                 if (inc_val > QM_VP_RL_MAX_INC_VAL(link_speed)) {
 733                         DP_NOTICE(p_hwfn,
 734                                   "Invalid VPORT rate-limit configuration\n");
 735                         return -1;
 736                 }
 737 
 738                 STORE_RT_REG(p_hwfn, QM_REG_RLGLBLCRD_RT_OFFSET + vport_id,
 739                              (u32)QM_RL_CRD_REG_SIGN_BIT);
 740                 STORE_RT_REG(p_hwfn,
 741                              QM_REG_RLGLBLUPPERBOUND_RT_OFFSET + vport_id,
 742                              QM_VP_RL_UPPER_BOUND(link_speed) |
 743                              (u32)QM_RL_CRD_REG_SIGN_BIT);
 744                 STORE_RT_REG(p_hwfn, QM_REG_RLGLBLINCVAL_RT_OFFSET + vport_id,
 745                              inc_val);
 746         }
 747 
 748         return 0;
 749 }
 750 
 751 static bool qed_poll_on_qm_cmd_ready(struct qed_hwfn *p_hwfn,
 752                                      struct qed_ptt *p_ptt)
 753 {
 754         u32 reg_val, i;
 755 
 756         for (i = 0, reg_val = 0; i < QM_STOP_CMD_MAX_POLL_COUNT && !reg_val;
 757              i++) {
 758                 udelay(QM_STOP_CMD_POLL_PERIOD_US);
 759                 reg_val = qed_rd(p_hwfn, p_ptt, QM_REG_SDMCMDREADY);
 760         }
 761 
 762         /* Check if timeout while waiting for SDM command ready */
 763         if (i == QM_STOP_CMD_MAX_POLL_COUNT) {
 764                 DP_VERBOSE(p_hwfn, NETIF_MSG_HW,
 765                            "Timeout when waiting for QM SDM command ready signal\n");
 766                 return false;
 767         }
 768 
 769         return true;
 770 }
 771 
 772 static bool qed_send_qm_cmd(struct qed_hwfn *p_hwfn,
 773                             struct qed_ptt *p_ptt,
 774                             u32 cmd_addr, u32 cmd_data_lsb, u32 cmd_data_msb)
 775 {
 776         if (!qed_poll_on_qm_cmd_ready(p_hwfn, p_ptt))
 777                 return false;
 778 
 779         qed_wr(p_hwfn, p_ptt, QM_REG_SDMCMDADDR, cmd_addr);
 780         qed_wr(p_hwfn, p_ptt, QM_REG_SDMCMDDATALSB, cmd_data_lsb);
 781         qed_wr(p_hwfn, p_ptt, QM_REG_SDMCMDDATAMSB, cmd_data_msb);
 782         qed_wr(p_hwfn, p_ptt, QM_REG_SDMCMDGO, 1);
 783         qed_wr(p_hwfn, p_ptt, QM_REG_SDMCMDGO, 0);
 784 
 785         return qed_poll_on_qm_cmd_ready(p_hwfn, p_ptt);
 786 }
 787 
 788 /******************** INTERFACE IMPLEMENTATION *********************/
 789 
 790 u32 qed_qm_pf_mem_size(u32 num_pf_cids,
 791                        u32 num_vf_cids,
 792                        u32 num_tids, u16 num_pf_pqs, u16 num_vf_pqs)
 793 {
 794         return QM_PQ_MEM_4KB(num_pf_cids) * num_pf_pqs +
 795                QM_PQ_MEM_4KB(num_vf_cids) * num_vf_pqs +
 796                QM_PQ_MEM_4KB(num_pf_cids + num_tids) * QM_OTHER_PQS_PER_PF;
 797 }
 798 
 799 int qed_qm_common_rt_init(struct qed_hwfn *p_hwfn,
 800                           struct qed_qm_common_rt_init_params *p_params)
 801 {
 802         /* Init AFullOprtnstcCrdMask */
 803         u32 mask = (QM_OPPOR_LINE_VOQ_DEF <<
 804                     QM_RF_OPPORTUNISTIC_MASK_LINEVOQ_SHIFT) |
 805                    (QM_BYTE_CRD_EN << QM_RF_OPPORTUNISTIC_MASK_BYTEVOQ_SHIFT) |
 806                    (p_params->pf_wfq_en <<
 807                     QM_RF_OPPORTUNISTIC_MASK_PFWFQ_SHIFT) |
 808                    (p_params->vport_wfq_en <<
 809                     QM_RF_OPPORTUNISTIC_MASK_VPWFQ_SHIFT) |
 810                    (p_params->pf_rl_en <<
 811                     QM_RF_OPPORTUNISTIC_MASK_PFRL_SHIFT) |
 812                    (p_params->vport_rl_en <<
 813                     QM_RF_OPPORTUNISTIC_MASK_VPQCNRL_SHIFT) |
 814                    (QM_OPPOR_FW_STOP_DEF <<
 815                     QM_RF_OPPORTUNISTIC_MASK_FWPAUSE_SHIFT) |
 816                    (QM_OPPOR_PQ_EMPTY_DEF <<
 817                     QM_RF_OPPORTUNISTIC_MASK_QUEUEEMPTY_SHIFT);
 818 
 819         STORE_RT_REG(p_hwfn, QM_REG_AFULLOPRTNSTCCRDMASK_RT_OFFSET, mask);
 820 
 821         /* Enable/disable PF RL */
 822         qed_enable_pf_rl(p_hwfn, p_params->pf_rl_en);
 823 
 824         /* Enable/disable PF WFQ */
 825         qed_enable_pf_wfq(p_hwfn, p_params->pf_wfq_en);
 826 
 827         /* Enable/disable VPORT RL */
 828         qed_enable_vport_rl(p_hwfn, p_params->vport_rl_en);
 829 
 830         /* Enable/disable VPORT WFQ */
 831         qed_enable_vport_wfq(p_hwfn, p_params->vport_wfq_en);
 832 
 833         /* Init PBF CMDQ line credit */
 834         qed_cmdq_lines_rt_init(p_hwfn,
 835                                p_params->max_ports_per_engine,
 836                                p_params->max_phys_tcs_per_port,
 837                                p_params->port_params);
 838 
 839         /* Init BTB blocks in PBF */
 840         qed_btb_blocks_rt_init(p_hwfn,
 841                                p_params->max_ports_per_engine,
 842                                p_params->max_phys_tcs_per_port,
 843                                p_params->port_params);
 844 
 845         return 0;
 846 }
 847 
 848 int qed_qm_pf_rt_init(struct qed_hwfn *p_hwfn,
 849                       struct qed_ptt *p_ptt,
 850                       struct qed_qm_pf_rt_init_params *p_params)
 851 {
 852         struct init_qm_vport_params *vport_params = p_params->vport_params;
 853         u32 other_mem_size_4kb = QM_PQ_MEM_4KB(p_params->num_pf_cids +
 854                                                p_params->num_tids) *
 855                                  QM_OTHER_PQS_PER_PF;
 856         u8 tc, i;
 857 
 858         /* Clear first Tx PQ ID array for each VPORT */
 859         for (i = 0; i < p_params->num_vports; i++)
 860                 for (tc = 0; tc < NUM_OF_TCS; tc++)
 861                         vport_params[i].first_tx_pq_id[tc] = QM_INVALID_PQ_ID;
 862 
 863         /* Map Other PQs (if any) */
 864         qed_other_pq_map_rt_init(p_hwfn,
 865                                  p_params->pf_id,
 866                                  p_params->is_pf_loading, p_params->num_pf_cids,
 867                                  p_params->num_tids, 0);
 868 
 869         /* Map Tx PQs */
 870         qed_tx_pq_map_rt_init(p_hwfn, p_ptt, p_params, other_mem_size_4kb);
 871 
 872         /* Init PF WFQ */
 873         if (p_params->pf_wfq)
 874                 if (qed_pf_wfq_rt_init(p_hwfn, p_params))
 875                         return -1;
 876 
 877         /* Init PF RL */
 878         if (qed_pf_rl_rt_init(p_hwfn, p_params->pf_id, p_params->pf_rl))
 879                 return -1;
 880 
 881         /* Set VPORT WFQ */
 882         if (qed_vp_wfq_rt_init(p_hwfn, p_params->num_vports, vport_params))
 883                 return -1;
 884 
 885         /* Set VPORT RL */
 886         if (qed_vport_rl_rt_init(p_hwfn, p_params->start_vport,
 887                                  p_params->num_vports, p_params->link_speed,
 888                                  vport_params))
 889                 return -1;
 890 
 891         return 0;
 892 }
 893 
 894 int qed_init_pf_wfq(struct qed_hwfn *p_hwfn,
 895                     struct qed_ptt *p_ptt, u8 pf_id, u16 pf_wfq)
 896 {
 897         u32 inc_val = QM_WFQ_INC_VAL(pf_wfq);
 898 
 899         if (!inc_val || inc_val > QM_WFQ_MAX_INC_VAL) {
 900                 DP_NOTICE(p_hwfn, "Invalid PF WFQ weight configuration\n");
 901                 return -1;
 902         }
 903 
 904         qed_wr(p_hwfn, p_ptt, QM_REG_WFQPFWEIGHT + pf_id * 4, inc_val);
 905 
 906         return 0;
 907 }
 908 
 909 int qed_init_pf_rl(struct qed_hwfn *p_hwfn,
 910                    struct qed_ptt *p_ptt, u8 pf_id, u32 pf_rl)
 911 {
 912         u32 inc_val = QM_RL_INC_VAL(pf_rl);
 913 
 914         if (inc_val > QM_PF_RL_MAX_INC_VAL) {
 915                 DP_NOTICE(p_hwfn, "Invalid PF rate limit configuration\n");
 916                 return -1;
 917         }
 918 
 919         qed_wr(p_hwfn,
 920                p_ptt, QM_REG_RLPFCRD + pf_id * 4, (u32)QM_RL_CRD_REG_SIGN_BIT);
 921         qed_wr(p_hwfn, p_ptt, QM_REG_RLPFINCVAL + pf_id * 4, inc_val);
 922 
 923         return 0;
 924 }
 925 
 926 int qed_init_vport_wfq(struct qed_hwfn *p_hwfn,
 927                        struct qed_ptt *p_ptt,
 928                        u16 first_tx_pq_id[NUM_OF_TCS], u16 vport_wfq)
 929 {
 930         u16 vport_pq_id;
 931         u32 inc_val;
 932         u8 tc;
 933 
 934         inc_val = QM_WFQ_INC_VAL(vport_wfq);
 935         if (!inc_val || inc_val > QM_WFQ_MAX_INC_VAL) {
 936                 DP_NOTICE(p_hwfn, "Invalid VPORT WFQ weight configuration\n");
 937                 return -1;
 938         }
 939 
 940         for (tc = 0; tc < NUM_OF_TCS; tc++) {
 941                 vport_pq_id = first_tx_pq_id[tc];
 942                 if (vport_pq_id != QM_INVALID_PQ_ID)
 943                         qed_wr(p_hwfn,
 944                                p_ptt,
 945                                QM_REG_WFQVPWEIGHT + vport_pq_id * 4, inc_val);
 946         }
 947 
 948         return 0;
 949 }
 950 
 951 int qed_init_vport_rl(struct qed_hwfn *p_hwfn,
 952                       struct qed_ptt *p_ptt,
 953                       u8 vport_id, u32 vport_rl, u32 link_speed)
 954 {
 955         u32 inc_val, max_qm_global_rls = MAX_QM_GLOBAL_RLS;
 956 
 957         if (vport_id >= max_qm_global_rls) {
 958                 DP_NOTICE(p_hwfn,
 959                           "Invalid VPORT ID for rate limiter configuration\n");
 960                 return -1;
 961         }
 962 
 963         inc_val = QM_RL_INC_VAL(vport_rl ? vport_rl : link_speed);
 964         if (inc_val > QM_VP_RL_MAX_INC_VAL(link_speed)) {
 965                 DP_NOTICE(p_hwfn, "Invalid VPORT rate-limit configuration\n");
 966                 return -1;
 967         }
 968 
 969         qed_wr(p_hwfn,
 970                p_ptt,
 971                QM_REG_RLGLBLCRD + vport_id * 4, (u32)QM_RL_CRD_REG_SIGN_BIT);
 972         qed_wr(p_hwfn, p_ptt, QM_REG_RLGLBLINCVAL + vport_id * 4, inc_val);
 973 
 974         return 0;
 975 }
 976 
 977 bool qed_send_qm_stop_cmd(struct qed_hwfn *p_hwfn,
 978                           struct qed_ptt *p_ptt,
 979                           bool is_release_cmd,
 980                           bool is_tx_pq, u16 start_pq, u16 num_pqs)
 981 {
 982         u32 cmd_arr[QM_CMD_STRUCT_SIZE(QM_STOP_CMD)] = { 0 };
 983         u32 pq_mask = 0, last_pq, pq_id;
 984 
 985         last_pq = start_pq + num_pqs - 1;
 986 
 987         /* Set command's PQ type */
 988         QM_CMD_SET_FIELD(cmd_arr, QM_STOP_CMD, PQ_TYPE, is_tx_pq ? 0 : 1);
 989 
 990         /* Go over requested PQs */
 991         for (pq_id = start_pq; pq_id <= last_pq; pq_id++) {
 992                 /* Set PQ bit in mask (stop command only) */
 993                 if (!is_release_cmd)
 994                         pq_mask |= BIT((pq_id % QM_STOP_PQ_MASK_WIDTH));
 995 
 996                 /* If last PQ or end of PQ mask, write command */
 997                 if ((pq_id == last_pq) ||
 998                     (pq_id % QM_STOP_PQ_MASK_WIDTH ==
 999                      (QM_STOP_PQ_MASK_WIDTH - 1))) {
1000                         QM_CMD_SET_FIELD(cmd_arr,
1001                                          QM_STOP_CMD, PAUSE_MASK, pq_mask);
1002                         QM_CMD_SET_FIELD(cmd_arr,
1003                                          QM_STOP_CMD,
1004                                          GROUP_ID,
1005                                          pq_id / QM_STOP_PQ_MASK_WIDTH);
1006                         if (!qed_send_qm_cmd(p_hwfn, p_ptt, QM_STOP_CMD_ADDR,
1007                                              cmd_arr[0], cmd_arr[1]))
1008                                 return false;
1009                         pq_mask = 0;
1010                 }
1011         }
1012 
1013         return true;
1014 }
1015 
1016 
1017 #define SET_TUNNEL_TYPE_ENABLE_BIT(var, offset, enable) \
1018         do { \
1019                 typeof(var) *__p_var = &(var); \
1020                 typeof(offset) __offset = offset; \
1021                 *__p_var = (*__p_var & ~BIT(__offset)) | \
1022                            ((enable) ? BIT(__offset) : 0); \
1023         } while (0)
1024 #define PRS_ETH_TUNN_OUTPUT_FORMAT        -188897008
1025 #define PRS_ETH_OUTPUT_FORMAT             -46832
1026 
1027 void qed_set_vxlan_dest_port(struct qed_hwfn *p_hwfn,
1028                              struct qed_ptt *p_ptt, u16 dest_port)
1029 {
1030         /* Update PRS register */
1031         qed_wr(p_hwfn, p_ptt, PRS_REG_VXLAN_PORT, dest_port);
1032 
1033         /* Update NIG register */
1034         qed_wr(p_hwfn, p_ptt, NIG_REG_VXLAN_CTRL, dest_port);
1035 
1036         /* Update PBF register */
1037         qed_wr(p_hwfn, p_ptt, PBF_REG_VXLAN_PORT, dest_port);
1038 }
1039 
1040 void qed_set_vxlan_enable(struct qed_hwfn *p_hwfn,
1041                           struct qed_ptt *p_ptt, bool vxlan_enable)
1042 {
1043         u32 reg_val;
1044         u8 shift;
1045 
1046         /* Update PRS register */
1047         reg_val = qed_rd(p_hwfn, p_ptt, PRS_REG_ENCAPSULATION_TYPE_EN);
1048         shift = PRS_REG_ENCAPSULATION_TYPE_EN_VXLAN_ENABLE_SHIFT;
1049         SET_TUNNEL_TYPE_ENABLE_BIT(reg_val, shift, vxlan_enable);
1050         qed_wr(p_hwfn, p_ptt, PRS_REG_ENCAPSULATION_TYPE_EN, reg_val);
1051         if (reg_val) {
1052                 reg_val =
1053                     qed_rd(p_hwfn, p_ptt, PRS_REG_OUTPUT_FORMAT_4_0_BB_K2);
1054 
1055                 /* Update output  only if tunnel blocks not included. */
1056                 if (reg_val == (u32)PRS_ETH_OUTPUT_FORMAT)
1057                         qed_wr(p_hwfn, p_ptt, PRS_REG_OUTPUT_FORMAT_4_0_BB_K2,
1058                                (u32)PRS_ETH_TUNN_OUTPUT_FORMAT);
1059         }
1060 
1061         /* Update NIG register */
1062         reg_val = qed_rd(p_hwfn, p_ptt, NIG_REG_ENC_TYPE_ENABLE);
1063         shift = NIG_REG_ENC_TYPE_ENABLE_VXLAN_ENABLE_SHIFT;
1064         SET_TUNNEL_TYPE_ENABLE_BIT(reg_val, shift, vxlan_enable);
1065         qed_wr(p_hwfn, p_ptt, NIG_REG_ENC_TYPE_ENABLE, reg_val);
1066 
1067         /* Update DORQ register */
1068         qed_wr(p_hwfn,
1069                p_ptt, DORQ_REG_L2_EDPM_TUNNEL_VXLAN_EN, vxlan_enable ? 1 : 0);
1070 }
1071 
1072 void qed_set_gre_enable(struct qed_hwfn *p_hwfn,
1073                         struct qed_ptt *p_ptt,
1074                         bool eth_gre_enable, bool ip_gre_enable)
1075 {
1076         u32 reg_val;
1077         u8 shift;
1078 
1079         /* Update PRS register */
1080         reg_val = qed_rd(p_hwfn, p_ptt, PRS_REG_ENCAPSULATION_TYPE_EN);
1081         shift = PRS_REG_ENCAPSULATION_TYPE_EN_ETH_OVER_GRE_ENABLE_SHIFT;
1082         SET_TUNNEL_TYPE_ENABLE_BIT(reg_val, shift, eth_gre_enable);
1083         shift = PRS_REG_ENCAPSULATION_TYPE_EN_IP_OVER_GRE_ENABLE_SHIFT;
1084         SET_TUNNEL_TYPE_ENABLE_BIT(reg_val, shift, ip_gre_enable);
1085         qed_wr(p_hwfn, p_ptt, PRS_REG_ENCAPSULATION_TYPE_EN, reg_val);
1086         if (reg_val) {
1087                 reg_val =
1088                     qed_rd(p_hwfn, p_ptt, PRS_REG_OUTPUT_FORMAT_4_0_BB_K2);
1089 
1090                 /* Update output  only if tunnel blocks not included. */
1091                 if (reg_val == (u32)PRS_ETH_OUTPUT_FORMAT)
1092                         qed_wr(p_hwfn, p_ptt, PRS_REG_OUTPUT_FORMAT_4_0_BB_K2,
1093                                (u32)PRS_ETH_TUNN_OUTPUT_FORMAT);
1094         }
1095 
1096         /* Update NIG register */
1097         reg_val = qed_rd(p_hwfn, p_ptt, NIG_REG_ENC_TYPE_ENABLE);
1098         shift = NIG_REG_ENC_TYPE_ENABLE_ETH_OVER_GRE_ENABLE_SHIFT;
1099         SET_TUNNEL_TYPE_ENABLE_BIT(reg_val, shift, eth_gre_enable);
1100         shift = NIG_REG_ENC_TYPE_ENABLE_IP_OVER_GRE_ENABLE_SHIFT;
1101         SET_TUNNEL_TYPE_ENABLE_BIT(reg_val, shift, ip_gre_enable);
1102         qed_wr(p_hwfn, p_ptt, NIG_REG_ENC_TYPE_ENABLE, reg_val);
1103 
1104         /* Update DORQ registers */
1105         qed_wr(p_hwfn,
1106                p_ptt,
1107                DORQ_REG_L2_EDPM_TUNNEL_GRE_ETH_EN, eth_gre_enable ? 1 : 0);
1108         qed_wr(p_hwfn,
1109                p_ptt, DORQ_REG_L2_EDPM_TUNNEL_GRE_IP_EN, ip_gre_enable ? 1 : 0);
1110 }
1111 
1112 void qed_set_geneve_dest_port(struct qed_hwfn *p_hwfn,
1113                               struct qed_ptt *p_ptt, u16 dest_port)
1114 {
1115         /* Update PRS register */
1116         qed_wr(p_hwfn, p_ptt, PRS_REG_NGE_PORT, dest_port);
1117 
1118         /* Update NIG register */
1119         qed_wr(p_hwfn, p_ptt, NIG_REG_NGE_PORT, dest_port);
1120 
1121         /* Update PBF register */
1122         qed_wr(p_hwfn, p_ptt, PBF_REG_NGE_PORT, dest_port);
1123 }
1124 
1125 void qed_set_geneve_enable(struct qed_hwfn *p_hwfn,
1126                            struct qed_ptt *p_ptt,
1127                            bool eth_geneve_enable, bool ip_geneve_enable)
1128 {
1129         u32 reg_val;
1130         u8 shift;
1131 
1132         /* Update PRS register */
1133         reg_val = qed_rd(p_hwfn, p_ptt, PRS_REG_ENCAPSULATION_TYPE_EN);
1134         shift = PRS_REG_ENCAPSULATION_TYPE_EN_ETH_OVER_GENEVE_ENABLE_SHIFT;
1135         SET_TUNNEL_TYPE_ENABLE_BIT(reg_val, shift, eth_geneve_enable);
1136         shift = PRS_REG_ENCAPSULATION_TYPE_EN_IP_OVER_GENEVE_ENABLE_SHIFT;
1137         SET_TUNNEL_TYPE_ENABLE_BIT(reg_val, shift, ip_geneve_enable);
1138         qed_wr(p_hwfn, p_ptt, PRS_REG_ENCAPSULATION_TYPE_EN, reg_val);
1139         if (reg_val) {
1140                 reg_val =
1141                     qed_rd(p_hwfn, p_ptt, PRS_REG_OUTPUT_FORMAT_4_0_BB_K2);
1142 
1143                 /* Update output  only if tunnel blocks not included. */
1144                 if (reg_val == (u32)PRS_ETH_OUTPUT_FORMAT)
1145                         qed_wr(p_hwfn, p_ptt, PRS_REG_OUTPUT_FORMAT_4_0_BB_K2,
1146                                (u32)PRS_ETH_TUNN_OUTPUT_FORMAT);
1147         }
1148 
1149         /* Update NIG register */
1150         qed_wr(p_hwfn, p_ptt, NIG_REG_NGE_ETH_ENABLE,
1151                eth_geneve_enable ? 1 : 0);
1152         qed_wr(p_hwfn, p_ptt, NIG_REG_NGE_IP_ENABLE, ip_geneve_enable ? 1 : 0);
1153 
1154         /* EDPM with geneve tunnel not supported in BB */
1155         if (QED_IS_BB_B0(p_hwfn->cdev))
1156                 return;
1157 
1158         /* Update DORQ registers */
1159         qed_wr(p_hwfn,
1160                p_ptt,
1161                DORQ_REG_L2_EDPM_TUNNEL_NGE_ETH_EN_K2_E5,
1162                eth_geneve_enable ? 1 : 0);
1163         qed_wr(p_hwfn,
1164                p_ptt,
1165                DORQ_REG_L2_EDPM_TUNNEL_NGE_IP_EN_K2_E5,
1166                ip_geneve_enable ? 1 : 0);
1167 }
1168 
1169 #define PRS_ETH_VXLAN_NO_L2_ENABLE_OFFSET   4
1170 #define PRS_ETH_VXLAN_NO_L2_OUTPUT_FORMAT      -927094512
1171 
1172 void qed_set_vxlan_no_l2_enable(struct qed_hwfn *p_hwfn,
1173                                 struct qed_ptt *p_ptt, bool enable)
1174 {
1175         u32 reg_val, cfg_mask;
1176 
1177         /* read PRS config register */
1178         reg_val = qed_rd(p_hwfn, p_ptt, PRS_REG_MSG_INFO);
1179 
1180         /* set VXLAN_NO_L2_ENABLE mask */
1181         cfg_mask = BIT(PRS_ETH_VXLAN_NO_L2_ENABLE_OFFSET);
1182 
1183         if (enable) {
1184                 /* set VXLAN_NO_L2_ENABLE flag */
1185                 reg_val |= cfg_mask;
1186 
1187                 /* update PRS FIC  register */
1188                 qed_wr(p_hwfn,
1189                        p_ptt,
1190                        PRS_REG_OUTPUT_FORMAT_4_0_BB_K2,
1191                        (u32)PRS_ETH_VXLAN_NO_L2_OUTPUT_FORMAT);
1192         } else {
1193                 /* clear VXLAN_NO_L2_ENABLE flag */
1194                 reg_val &= ~cfg_mask;
1195         }
1196 
1197         /* write PRS config register */
1198         qed_wr(p_hwfn, p_ptt, PRS_REG_MSG_INFO, reg_val);
1199 }
1200 
1201 #define T_ETH_PACKET_ACTION_GFT_EVENTID  23
1202 #define PARSER_ETH_CONN_GFT_ACTION_CM_HDR  272
1203 #define T_ETH_PACKET_MATCH_RFS_EVENTID 25
1204 #define PARSER_ETH_CONN_CM_HDR 0
1205 #define CAM_LINE_SIZE sizeof(u32)
1206 #define RAM_LINE_SIZE sizeof(u64)
1207 #define REG_SIZE sizeof(u32)
1208 
1209 void qed_gft_disable(struct qed_hwfn *p_hwfn, struct qed_ptt *p_ptt, u16 pf_id)
1210 {
1211         /* Disable gft search for PF */
1212         qed_wr(p_hwfn, p_ptt, PRS_REG_SEARCH_GFT, 0);
1213 
1214         /* Clean ram & cam for next gft session */
1215 
1216         /* Zero camline */
1217         qed_wr(p_hwfn, p_ptt, PRS_REG_GFT_CAM + CAM_LINE_SIZE * pf_id, 0);
1218 
1219         /* Zero ramline */
1220         qed_wr(p_hwfn,
1221                p_ptt, PRS_REG_GFT_PROFILE_MASK_RAM + RAM_LINE_SIZE * pf_id, 0);
1222         qed_wr(p_hwfn,
1223                p_ptt,
1224                PRS_REG_GFT_PROFILE_MASK_RAM + RAM_LINE_SIZE * pf_id + REG_SIZE,
1225                0);
1226 }
1227 
1228 void qed_gft_config(struct qed_hwfn *p_hwfn,
1229                     struct qed_ptt *p_ptt,
1230                     u16 pf_id,
1231                     bool tcp,
1232                     bool udp,
1233                     bool ipv4, bool ipv6, enum gft_profile_type profile_type)
1234 {
1235         u32 reg_val, cam_line, ram_line_lo, ram_line_hi, search_non_ip_as_gft;
1236 
1237         if (!ipv6 && !ipv4)
1238                 DP_NOTICE(p_hwfn,
1239                           "gft_config: must accept at least on of - ipv4 or ipv6'\n");
1240         if (!tcp && !udp)
1241                 DP_NOTICE(p_hwfn,
1242                           "gft_config: must accept at least on of - udp or tcp\n");
1243         if (profile_type >= MAX_GFT_PROFILE_TYPE)
1244                 DP_NOTICE(p_hwfn, "gft_config: unsupported gft_profile_type\n");
1245 
1246         /* Set RFS event ID to be awakened i Tstorm By Prs */
1247         reg_val = T_ETH_PACKET_MATCH_RFS_EVENTID <<
1248                   PRS_REG_CM_HDR_GFT_EVENT_ID_SHIFT;
1249         reg_val |= PARSER_ETH_CONN_CM_HDR << PRS_REG_CM_HDR_GFT_CM_HDR_SHIFT;
1250         qed_wr(p_hwfn, p_ptt, PRS_REG_CM_HDR_GFT, reg_val);
1251 
1252         /* Do not load context only cid in PRS on match. */
1253         qed_wr(p_hwfn, p_ptt, PRS_REG_LOAD_L2_FILTER, 0);
1254 
1255         /* Do not use tenant ID exist bit for gft search */
1256         qed_wr(p_hwfn, p_ptt, PRS_REG_SEARCH_TENANT_ID, 0);
1257 
1258         /* Set Cam */
1259         cam_line = 0;
1260         SET_FIELD(cam_line, GFT_CAM_LINE_MAPPED_VALID, 1);
1261 
1262         /* Filters are per PF!! */
1263         SET_FIELD(cam_line,
1264                   GFT_CAM_LINE_MAPPED_PF_ID_MASK,
1265                   GFT_CAM_LINE_MAPPED_PF_ID_MASK_MASK);
1266         SET_FIELD(cam_line, GFT_CAM_LINE_MAPPED_PF_ID, pf_id);
1267 
1268         if (!(tcp && udp)) {
1269                 SET_FIELD(cam_line,
1270                           GFT_CAM_LINE_MAPPED_UPPER_PROTOCOL_TYPE_MASK,
1271                           GFT_CAM_LINE_MAPPED_UPPER_PROTOCOL_TYPE_MASK_MASK);
1272                 if (tcp)
1273                         SET_FIELD(cam_line,
1274                                   GFT_CAM_LINE_MAPPED_UPPER_PROTOCOL_TYPE,
1275                                   GFT_PROFILE_TCP_PROTOCOL);
1276                 else
1277                         SET_FIELD(cam_line,
1278                                   GFT_CAM_LINE_MAPPED_UPPER_PROTOCOL_TYPE,
1279                                   GFT_PROFILE_UDP_PROTOCOL);
1280         }
1281 
1282         if (!(ipv4 && ipv6)) {
1283                 SET_FIELD(cam_line, GFT_CAM_LINE_MAPPED_IP_VERSION_MASK, 1);
1284                 if (ipv4)
1285                         SET_FIELD(cam_line,
1286                                   GFT_CAM_LINE_MAPPED_IP_VERSION,
1287                                   GFT_PROFILE_IPV4);
1288                 else
1289                         SET_FIELD(cam_line,
1290                                   GFT_CAM_LINE_MAPPED_IP_VERSION,
1291                                   GFT_PROFILE_IPV6);
1292         }
1293 
1294         /* Write characteristics to cam */
1295         qed_wr(p_hwfn, p_ptt, PRS_REG_GFT_CAM + CAM_LINE_SIZE * pf_id,
1296                cam_line);
1297         cam_line =
1298             qed_rd(p_hwfn, p_ptt, PRS_REG_GFT_CAM + CAM_LINE_SIZE * pf_id);
1299 
1300         /* Write line to RAM - compare to filter 4 tuple */
1301         ram_line_lo = 0;
1302         ram_line_hi = 0;
1303 
1304         /* Search no IP as GFT */
1305         search_non_ip_as_gft = 0;
1306 
1307         /* Tunnel type */
1308         SET_FIELD(ram_line_lo, GFT_RAM_LINE_TUNNEL_DST_PORT, 1);
1309         SET_FIELD(ram_line_lo, GFT_RAM_LINE_TUNNEL_OVER_IP_PROTOCOL, 1);
1310 
1311         if (profile_type == GFT_PROFILE_TYPE_4_TUPLE) {
1312                 SET_FIELD(ram_line_hi, GFT_RAM_LINE_DST_IP, 1);
1313                 SET_FIELD(ram_line_hi, GFT_RAM_LINE_SRC_IP, 1);
1314                 SET_FIELD(ram_line_hi, GFT_RAM_LINE_OVER_IP_PROTOCOL, 1);
1315                 SET_FIELD(ram_line_lo, GFT_RAM_LINE_ETHERTYPE, 1);
1316                 SET_FIELD(ram_line_lo, GFT_RAM_LINE_SRC_PORT, 1);
1317                 SET_FIELD(ram_line_lo, GFT_RAM_LINE_DST_PORT, 1);
1318         } else if (profile_type == GFT_PROFILE_TYPE_L4_DST_PORT) {
1319                 SET_FIELD(ram_line_hi, GFT_RAM_LINE_OVER_IP_PROTOCOL, 1);
1320                 SET_FIELD(ram_line_lo, GFT_RAM_LINE_ETHERTYPE, 1);
1321                 SET_FIELD(ram_line_lo, GFT_RAM_LINE_DST_PORT, 1);
1322         } else if (profile_type == GFT_PROFILE_TYPE_IP_DST_ADDR) {
1323                 SET_FIELD(ram_line_hi, GFT_RAM_LINE_DST_IP, 1);
1324                 SET_FIELD(ram_line_lo, GFT_RAM_LINE_ETHERTYPE, 1);
1325         } else if (profile_type == GFT_PROFILE_TYPE_IP_SRC_ADDR) {
1326                 SET_FIELD(ram_line_hi, GFT_RAM_LINE_SRC_IP, 1);
1327                 SET_FIELD(ram_line_lo, GFT_RAM_LINE_ETHERTYPE, 1);
1328         } else if (profile_type == GFT_PROFILE_TYPE_TUNNEL_TYPE) {
1329                 SET_FIELD(ram_line_lo, GFT_RAM_LINE_TUNNEL_ETHERTYPE, 1);
1330 
1331                 /* Allow tunneled traffic without inner IP */
1332                 search_non_ip_as_gft = 1;
1333         }
1334 
1335         qed_wr(p_hwfn,
1336                p_ptt, PRS_REG_SEARCH_NON_IP_AS_GFT, search_non_ip_as_gft);
1337         qed_wr(p_hwfn,
1338                p_ptt,
1339                PRS_REG_GFT_PROFILE_MASK_RAM + RAM_LINE_SIZE * pf_id,
1340                ram_line_lo);
1341         qed_wr(p_hwfn,
1342                p_ptt,
1343                PRS_REG_GFT_PROFILE_MASK_RAM + RAM_LINE_SIZE * pf_id + REG_SIZE,
1344                ram_line_hi);
1345 
1346         /* Set default profile so that no filter match will happen */
1347         qed_wr(p_hwfn,
1348                p_ptt,
1349                PRS_REG_GFT_PROFILE_MASK_RAM + RAM_LINE_SIZE *
1350                PRS_GFT_CAM_LINES_NO_MATCH, 0xffffffff);
1351         qed_wr(p_hwfn,
1352                p_ptt,
1353                PRS_REG_GFT_PROFILE_MASK_RAM + RAM_LINE_SIZE *
1354                PRS_GFT_CAM_LINES_NO_MATCH + REG_SIZE, 0x3ff);
1355 
1356         /* Enable gft search */
1357         qed_wr(p_hwfn, p_ptt, PRS_REG_SEARCH_GFT, 1);
1358 }
1359 
1360 DECLARE_CRC8_TABLE(cdu_crc8_table);
1361 
1362 /* Calculate and return CDU validation byte per connection type/region/cid */
1363 static u8 qed_calc_cdu_validation_byte(u8 conn_type, u8 region, u32 cid)
1364 {
1365         const u8 validation_cfg = CDU_VALIDATION_DEFAULT_CFG;
1366         u8 crc, validation_byte = 0;
1367         static u8 crc8_table_valid; /* automatically initialized to 0 */
1368         u32 validation_string = 0;
1369         u32 data_to_crc;
1370 
1371         if (!crc8_table_valid) {
1372                 crc8_populate_msb(cdu_crc8_table, 0x07);
1373                 crc8_table_valid = 1;
1374         }
1375 
1376         /* The CRC is calculated on the String-to-compress:
1377          * [31:8]  = {CID[31:20],CID[11:0]}
1378          * [7:4]   = Region
1379          * [3:0]   = Type
1380          */
1381         if ((validation_cfg >> CDU_CONTEXT_VALIDATION_CFG_USE_CID) & 1)
1382                 validation_string |= (cid & 0xFFF00000) | ((cid & 0xFFF) << 8);
1383 
1384         if ((validation_cfg >> CDU_CONTEXT_VALIDATION_CFG_USE_REGION) & 1)
1385                 validation_string |= ((region & 0xF) << 4);
1386 
1387         if ((validation_cfg >> CDU_CONTEXT_VALIDATION_CFG_USE_TYPE) & 1)
1388                 validation_string |= (conn_type & 0xF);
1389 
1390         /* Convert to big-endian and calculate CRC8 */
1391         data_to_crc = be32_to_cpu(validation_string);
1392 
1393         crc = crc8(cdu_crc8_table,
1394                    (u8 *)&data_to_crc, sizeof(data_to_crc), CRC8_INIT_VALUE);
1395 
1396         /* The validation byte [7:0] is composed:
1397          * for type A validation
1398          * [7]          = active configuration bit
1399          * [6:0]        = crc[6:0]
1400          *
1401          * for type B validation
1402          * [7]          = active configuration bit
1403          * [6:3]        = connection_type[3:0]
1404          * [2:0]        = crc[2:0]
1405          */
1406         validation_byte |=
1407             ((validation_cfg >>
1408               CDU_CONTEXT_VALIDATION_CFG_USE_ACTIVE) & 1) << 7;
1409 
1410         if ((validation_cfg >>
1411              CDU_CONTEXT_VALIDATION_CFG_VALIDATION_TYPE_SHIFT) & 1)
1412                 validation_byte |= ((conn_type & 0xF) << 3) | (crc & 0x7);
1413         else
1414                 validation_byte |= crc & 0x7F;
1415 
1416         return validation_byte;
1417 }
1418 
1419 /* Calcualte and set validation bytes for session context */
1420 void qed_calc_session_ctx_validation(void *p_ctx_mem,
1421                                      u16 ctx_size, u8 ctx_type, u32 cid)
1422 {
1423         u8 *x_val_ptr, *t_val_ptr, *u_val_ptr, *p_ctx;
1424 
1425         p_ctx = (u8 * const)p_ctx_mem;
1426         x_val_ptr = &p_ctx[con_region_offsets[0][ctx_type]];
1427         t_val_ptr = &p_ctx[con_region_offsets[1][ctx_type]];
1428         u_val_ptr = &p_ctx[con_region_offsets[2][ctx_type]];
1429 
1430         memset(p_ctx, 0, ctx_size);
1431 
1432         *x_val_ptr = qed_calc_cdu_validation_byte(ctx_type, 3, cid);
1433         *t_val_ptr = qed_calc_cdu_validation_byte(ctx_type, 4, cid);
1434         *u_val_ptr = qed_calc_cdu_validation_byte(ctx_type, 5, cid);
1435 }
1436 
1437 /* Calcualte and set validation bytes for task context */
1438 void qed_calc_task_ctx_validation(void *p_ctx_mem,
1439                                   u16 ctx_size, u8 ctx_type, u32 tid)
1440 {
1441         u8 *p_ctx, *region1_val_ptr;
1442 
1443         p_ctx = (u8 * const)p_ctx_mem;
1444         region1_val_ptr = &p_ctx[task_region_offsets[0][ctx_type]];
1445 
1446         memset(p_ctx, 0, ctx_size);
1447 
1448         *region1_val_ptr = qed_calc_cdu_validation_byte(ctx_type, 1, tid);
1449 }
1450 
1451 /* Memset session context to 0 while preserving validation bytes */
1452 void qed_memset_session_ctx(void *p_ctx_mem, u32 ctx_size, u8 ctx_type)
1453 {
1454         u8 *x_val_ptr, *t_val_ptr, *u_val_ptr, *p_ctx;
1455         u8 x_val, t_val, u_val;
1456 
1457         p_ctx = (u8 * const)p_ctx_mem;
1458         x_val_ptr = &p_ctx[con_region_offsets[0][ctx_type]];
1459         t_val_ptr = &p_ctx[con_region_offsets[1][ctx_type]];
1460         u_val_ptr = &p_ctx[con_region_offsets[2][ctx_type]];
1461 
1462         x_val = *x_val_ptr;
1463         t_val = *t_val_ptr;
1464         u_val = *u_val_ptr;
1465 
1466         memset(p_ctx, 0, ctx_size);
1467 
1468         *x_val_ptr = x_val;
1469         *t_val_ptr = t_val;
1470         *u_val_ptr = u_val;
1471 }
1472 
1473 /* Memset task context to 0 while preserving validation bytes */
1474 void qed_memset_task_ctx(void *p_ctx_mem, u32 ctx_size, u8 ctx_type)
1475 {
1476         u8 *p_ctx, *region1_val_ptr;
1477         u8 region1_val;
1478 
1479         p_ctx = (u8 * const)p_ctx_mem;
1480         region1_val_ptr = &p_ctx[task_region_offsets[0][ctx_type]];
1481 
1482         region1_val = *region1_val_ptr;
1483 
1484         memset(p_ctx, 0, ctx_size);
1485 
1486         *region1_val_ptr = region1_val;
1487 }
1488 
1489 /* Enable and configure context validation */
1490 void qed_enable_context_validation(struct qed_hwfn *p_hwfn,
1491                                    struct qed_ptt *p_ptt)
1492 {
1493         u32 ctx_validation;
1494 
1495         /* Enable validation for connection region 3: CCFC_CTX_VALID0[31:24] */
1496         ctx_validation = CDU_VALIDATION_DEFAULT_CFG << 24;
1497         qed_wr(p_hwfn, p_ptt, CDU_REG_CCFC_CTX_VALID0, ctx_validation);
1498 
1499         /* Enable validation for connection region 5: CCFC_CTX_VALID1[15:8] */
1500         ctx_validation = CDU_VALIDATION_DEFAULT_CFG << 8;
1501         qed_wr(p_hwfn, p_ptt, CDU_REG_CCFC_CTX_VALID1, ctx_validation);
1502 
1503         /* Enable validation for connection region 1: TCFC_CTX_VALID0[15:8] */
1504         ctx_validation = CDU_VALIDATION_DEFAULT_CFG << 8;
1505         qed_wr(p_hwfn, p_ptt, CDU_REG_TCFC_CTX_VALID0, ctx_validation);
1506 }
1507 
1508 static u32 qed_get_rdma_assert_ram_addr(struct qed_hwfn *p_hwfn, u8 storm_id)
1509 {
1510         switch (storm_id) {
1511         case 0:
1512                 return TSEM_REG_FAST_MEMORY + SEM_FAST_REG_INT_RAM +
1513                     TSTORM_RDMA_ASSERT_LEVEL_OFFSET(p_hwfn->rel_pf_id);
1514         case 1:
1515                 return MSEM_REG_FAST_MEMORY + SEM_FAST_REG_INT_RAM +
1516                     MSTORM_RDMA_ASSERT_LEVEL_OFFSET(p_hwfn->rel_pf_id);
1517         case 2:
1518                 return USEM_REG_FAST_MEMORY + SEM_FAST_REG_INT_RAM +
1519                     USTORM_RDMA_ASSERT_LEVEL_OFFSET(p_hwfn->rel_pf_id);
1520         case 3:
1521                 return XSEM_REG_FAST_MEMORY + SEM_FAST_REG_INT_RAM +
1522                     XSTORM_RDMA_ASSERT_LEVEL_OFFSET(p_hwfn->rel_pf_id);
1523         case 4:
1524                 return YSEM_REG_FAST_MEMORY + SEM_FAST_REG_INT_RAM +
1525                     YSTORM_RDMA_ASSERT_LEVEL_OFFSET(p_hwfn->rel_pf_id);
1526         case 5:
1527                 return PSEM_REG_FAST_MEMORY + SEM_FAST_REG_INT_RAM +
1528                     PSTORM_RDMA_ASSERT_LEVEL_OFFSET(p_hwfn->rel_pf_id);
1529 
1530         default:
1531                 return 0;
1532         }
1533 }
1534 
1535 void qed_set_rdma_error_level(struct qed_hwfn *p_hwfn,
1536                               struct qed_ptt *p_ptt,
1537                               u8 assert_level[NUM_STORMS])
1538 {
1539         u8 storm_id;
1540 
1541         for (storm_id = 0; storm_id < NUM_STORMS; storm_id++) {
1542                 u32 ram_addr = qed_get_rdma_assert_ram_addr(p_hwfn, storm_id);
1543 
1544                 qed_wr(p_hwfn, p_ptt, ram_addr, assert_level[storm_id]);
1545         }
1546 }
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root/drivers/net/ethernet/qlogic/qed/qed_init_fw_funcs.c

DEFINITIONS
